Hzkaicun fish ruler
Our fish ruler helps you measure your catch more quickly on a bumpy sea. (instead of looking at numbers as small as a tape measure on a rickety ship).
If you catch a fish, you can also take a picture, and you can clearly see the size of the fish you catch.
Accurate measurement, you don't have to worry about catching fish that are not big enough, worry about fining.
It has a strong with adhesive. Easy to install.